Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Schizodontomys harkseni

Mammalia - Rodentia - Heteromyidae

Taxonomy
Grangerimus harkseni was named by Macdonald (1970). Its type locality is Rosebud (LACM 1830), which is in a Harrisonian terrestrial horizon in the Rosebud Formation of South Dakota.

It was recombined as Schizodontomys harkseni by Rensberger (1973), Gawne (1975), Korth (1997) and Storer (2002).

Synonymy list
YearName and author
1970Grangerimus harkseni Macdonald
1973Schizodontomys harkseni Rensberger
1975Schizodontomys harkseni Gawne
1997Schizodontomys harkseni Korth
2002Schizodontomys harkseni Storer

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
infraorderCastorimorpha
superfamilyGeomyoideaBonaparte 1845
familyHeteromyidaeGray 1868
genusSchizodontomysRensberger 1973
speciesharkseni()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Schizodontomys harkseni Macdonald 1970
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: granivoref
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:09:37
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Lillegraven 1979, Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002

Age range: base of the Monroecreekian to the top of the Harrisonian or 26.30000 to 18.50000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
late Late Arikareean29.5 - 18.5USA (Wyoming) Schizodontomys harkseni (18010)
Monroecreekian26.3 - 24.8USA (Nebraska) Schizodontomys harkseni (67637)
Monroecreekian26.3 - 24.8Canada (Saskatchewan) Pleurolicus sp. (17526)
Harrisonian24.8 - 18.5USA (Nebraska) Schizodontomys harkseni (69807)
Harrisonian24.8 - 18.5USA (South Dakota) Grangerimus harkseni (type locality: 17825 17829)
Hemingfordian20.43 - 15.97USA (South Dakota) Schizodontomys harkseni (17877 17912 17913 17914)
Hemingfordian20.43 - 15.97USA (Wyoming) Schizodontomys harkseni (19073 19074 19075)